﻿using System;
namespace Velocity4Net.Runtime.Directives
{

    /*
     * Licensed to the Apache Software Foundation (ASF) under one
     * or more contributor license agreements.  See the NOTICE file
     * distributed with this work for additional information
     * regarding copyright ownership.  The ASF licenses this file
     * to you under the Apache License, Version 2.0 (the
     * "License"); you may not use this file except in compliance
     * with the License.  You may obtain a copy of the License at
     *
     *   http://www.apache.org/licenses/LICENSE-2.0
     *
     * Unless required by applicable law or agreed to in writing,
     * software distributed under the License is distributed on an
     * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
     * KIND, either express or implied.  See the License for the
     * specific language governing permissions and limitations
     * under the License.
     */

    /**
     * This represents scoping and metadata for #foreach,
     * adding index, count, hasNext, isFirst and isLast info.
     *
     * @author Nathan Bubna
     * @version $Id$
     */
    public class ForeachScope:Scope
{
    protected int index = -1;
    protected bool hasNext = false;

    public ForeachScope(Object owner, Object replaces)
    {
        super(owner, replaces);
    }

    public int getIndex()
    {
        return index;
    }

    public int getCount()
    {
        return index + 1;
    }

    public bool hasNext()
    {
        return getHasNext();
    }

    public bool getHasNext()
    {
        return hasNext;
    }

    public bool isFirst()
    {
        return index < 1;
    }

    public bool getFirst()
    {
        return isFirst();
    }

    public bool isLast()
    {
        return !hasNext;
    }

    public bool getLast()
    {
        return isLast();
    }

}
}